Update CI to support Ruby 3.3

Author: emorissettegregoire

.github/workflows/ci.yml

@@ -12,10 +12,8 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, ubuntu-22.04, macos-latest]
-        ruby: [ 3.0, 3.1, 3.2, truffleruby-head ]
+        ruby: [ 3.3, truffleruby-head ]
         exclude:
-          - os: ubuntu-22.04
-            ruby: 3.0
           - os: ubuntu-22.04
             ruby: truffleruby-head
 

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.0
+          ruby-version: 3.3
           bundler-cache: true
       - name: Publish gem
         env: